sudo ifconfig wlp0s20f3 down
sudo ifconfig wlp0s20f3 hw ether  DC:FE:07:2E:A7:D5
sudo ifconfig wlp0s20f3 up


sudo /usr/synopsys/scl/2018.06/linux64/bin/lmgrd -c /usr/synopsys/Synopsys.dat 




